National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

South Dennis MA

  • Tonight

    Tonight: Increasing clouds, with a low around 23. West wind around 6 mph.

    Low: 23 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 36. West wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 36 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Light west wind becoming northwest 5 to 9 mph in the evening. Winds could gust as high as 22 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 32. Northwest wind 5 to 9 mph becoming calm in the afternoon. Winds could gust as high as 21 mph.

    High: 32 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 38. Calm wind becoming southeast around 6 mph.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. Southwest wind 3 to 7 mph.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. Southwest wind 3 to 5 mph.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 23. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 36. West wind 6 to 9 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 26. Light west wind becoming northwest 5 to 9 mph in the evening. Winds could gust as high as 22 mph.
Sunday
Sunny, with a high near 32. Northwest wind 5 to 9 mph becoming calm in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 23. Calm wind.
Washington's Birthday
Partly sunny, with a high near 38. Calm wind becoming southeast around 6 mph.
Monday Night
Mostly cloudy, with a low around 31. Calm wind.
Tuesday
Partly sunny, with a high near 40. Southwest wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 30. Southwest wind 3 to 5 mph.
Wednesday
A chance of rain after 2pm. Partly sunny, with a high near 40. West wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and snow. Cloudy, with a low around 29. Light and variable wind becoming north around 6 mph in the evening. Chance of precipitation is 50%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 37. North wind 7 to 9 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 26. North wind around 7 mph. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 35. Southeast wind 7 to 9 mph. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Dennis MA
 41.69°N 70.16°W (Elev. 7 ft)
Last Update:
2:25 pm EST Feb 13, 2026
Forecast Valid:
5pm EST Feb 13, 2026-6pm EST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation